Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2001-10-04
Class.Quant.Grav. 19 (2002) 3625-3634
Physics
High Energy Physics
High Energy Physics - Theory
11 pages, 4 figures, discussion of surface divergences extended, new 3D plots, references added, accepted for publication in C
Scientific paper
10.1088/0264-9381/19/14/305
The local Casimir energy is investigated for a wedge with and without a circular outer boundary due to the confinement of a massless scalar field with general curvature coupling parameter and satisfying the Dirichlet boundary conditions. Regularization procedure is carried out making use of a variant of the generalized Abel-Plana formula, previously established by one of the authors. The surface divergences in the vacuum expectation values of the energy density near the boundaries are considered. The corresponding results can be applied to the cosmic strings.
Rezaeian Amir H.
Saharian Aram A.
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